| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EVERSOLE ROBERT M | Director | C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD | /s/ Robert M. Eversole, by Scott A. Cottrill as attorney-in-fact | 12 Nov 2025 | 0001614400 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WMS | Common Stock | Gift | $0 | -4,100 | -63% | $0.000000 | 2,386 | 10 Nov 2025 | Direct | |
| transaction | WMS | Common Stock | Gift | $0 | +4,100 | +7.3% | $0.000000 | 60,645 | 10 Nov 2025 | Reporting Person's Revocable Trust | F1 |
| Id | Content |
|---|---|
| F1 | Shares held in revocable trust for the benefit of the reporting person and the reporting person's spouse and children. |